Make cat-highlight() work with spaces in filenames

.config/zsh/functions/cat-highlight

@@ -27,10 +27,10 @@ if [[ -t 1 ]] && [[ -n "${CATOPEN}" || -n "${LESSOPEN}" ]]; then
 
     local -a args
     local -a files
-    for arg in "${@}"; do
+    for arg in ${@}; do
         # Filter out file names
         if [[ "${arg[1]}" != "-" ]]; then
-            files+="${arg}"
+            files+="'${arg}'"
         else
             args+="${arg}"
         fi